C²hat is a free Chrome extension designed for secure, end-to-end encrypted communication. It allows users to chat without the need for account registration, ensuring privacy and security during conversations. The interface is user-friendly, making it accessible for individuals who may not be tech-savvy. Key features include real-time messaging capabilities and the assurance that all messages are encrypted, thus protecting user data from unauthorized access.

This add-on falls under the category of tools for browsers, specifically tailored for those who prioritize their privacy while engaging in online chats. With its straightforward design and robust encryption, C²hat aims to provide a seamless chatting experience while maintaining the confidentiality of user communications.